A 100 round pack of 7.62x39 FMJ Brown Bear ammunition for sale at SGAmmo.com with a polymer coated steel case. Brown Bear ammo is made in Russia by Barnaul to mil-spec like standards, with polymer coated steel cartridge cases that make for smooth feeding and extraction of the spent case. brown bear 7.62x39 ammo is non-corrosive, Berdan primed, not reloadable, with a lead core bullet that is jacketed in bi-metal, a magnetic copper iron alloy. Great ammo for target practice and all purpose shooting. Brown bear ammo available at SGAmmo makes for high-quality ammo at competitive prices for online ammunition buyers. A great value for 7.62x39 ammo.